
089 Bayern 4-in-1 German System: Heat pump, solar panels, energy storage and hot water tank - all in one system. Thanks to 300+ sunny days in Antalya, your electricity and heating costs are virtually zero for 10 months a year.
Your trusted partner in Antalya, Muğla, İzmir, Aydın and Mersin
89 successful solar installations in villas and homes
Send us your project digitally - there is no need to wait for an appointment or an on-site visit. Simply take a photo of your roof, your meter or your electricity bill, and add a short voice message if you like; we take care of the review. With this digital process, unique in Turkey, you receive your written offer by email. This fast process saves time and money - and we pass those savings on to you in full: as a discount of up to 15% on your offer. With no sales pressure, you can review our offer calmly, at your own pace, and decide for yourself.
Every year thousands of villa owners face the same problems. The 089 Bayern 4-in-1 German System offers permanent solutions to all these issues.
Paying $300-500 monthly electricity bills? Air conditioning, heating and appliances are driving your bills sky high.
Generate your own electricity with solar panels. Store excess energy in batteries or sell to the grid.
Spending $200-400/month on gas or electric heating during winter months?
With heat pump: 1 kW electricity = 4-5 kW heat. Solar-powered system reduces winter costs to zero.
Is running AC in every room during Mediterranean heat doubling your bills?
The same heat pump cools in summer. Solar panels produce most energy on the hottest days.
During frequent summer outages, are your AC and refrigerator not working?
10-15 kWh battery capacity provides 4-8 hours of uninterrupted energy. Your critical devices never stop.
AC, boiler, water heater... Separate service, separate maintenance, separate costs for each?
The 4-in-1 German system is maintained by a single service. 10-year warranty minimizes maintenance costs.
Are annually rising electricity and gas prices (30-50%) straining your budget?
When you generate your own energy, price increases don't affect you. 25 years of fixed energy costs.

Planning usually starts with an on-site appointment: waiting, scheduling, letting someone into your home. Not here - describe your roof, living space, heating and air conditioning in a few steps and upload photos. Both sides benefit:
Average daily sunshine hours in Antalya (MGM, 1991–2020)
Completed installations (as of August 2026)
Years payback - conservatively calculated
Months of free energy - system target with PV + storage
Sources: Turkish State Meteorological Service (MGM), climate normals 1991–2020 (highest sunshine value in Türkiye); installation count from our own records, as of August 2026 - updated regularly.
Minimize your energy costs with Mediterranean sunshine

Generate your own electricity with PV panels. Store excess energy or sell it to the grid.

Heat with solar energy through the heat pump. With COP 4-5 efficiency: 1 kW electricity = 4-5 kW heat.

The same heat pump works as an air conditioner in summer. Cooling at zero cost.

Water tank heated by solar energy. 300L capacity sufficient for a family of 4.

Four different technologies, one intelligent German system

Electricity generation from sunlight
High-efficiency monocrystalline panels for maximum energy from the Mediterranean sun. 25-year performance warranty.

Heating and cooling in one device
In the mild Mediterranean climate, the heat pump operates at 300-400% efficiency. Winter heating and summer cooling.

Use solar energy at night too
With lithium iron phosphate batteries, use energy generated during the day at night. Uninterrupted power during grid outages.

Thermal energy storage
Water heated by solar energy during the day is ready for showers and kitchen at night. Maximum energy savings.
Expand your system according to your needs
Additional split AC units for independent room control
Charge your electric car with solar energy via wallbox
Control the entire system via smartphone app
Add battery modules for more storage capacity
Have questions? High electricity bills? Unreliable energy supply? We understand your concerns and will find the best solution for your villa together.
Learn more about our solutions and services
Usually, getting a quote means first finding a free slot, then waiting until that day arrives - and letting someone into your home. Here it works differently: just tell us a date and time that suits you, and our team will get in touch to confirm the on-site visit. For detailed planning and installation, that visit is of course helpful - but it is not a prerequisite for the initial assessment.
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